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Unibit Drill Bit-#1 1/4 Shank Multiple Hole Bit 1/8 To 1/2
Item #459U-1
MFR #10231
UNSPSC # 20111614
Shipping Weight0.100000 lbs
CA$73.00 / EA
CA$0.00
The IRWIN® UNIBIT® HSS Fractional Self-Starting Step Drill Bit is made of high speed steel. Hole sizes are permanently laser-etched on the inside of the flute and will not wear away for easy identification throughout the life of the bit. The bit features a quick change hex shank that secures easily in the drill chuck.
Size Range 1/8'' - 1/2''
Item Step Drill Bit
Overall Length 3-1/8''
Shank Size 1/4''
Decimal Equivalent 0.125 in, 0.1563 in, 0.1875 in, 0.2188 in, 0.25 in, 0.2813 in, 0.3125 in, 0.3438 in, 0.375 in, 0.4063 in, 0.4375 in, 0.4688 in, 0.5 in
Shank Type - Machining Hex
Cutting Direction Right
Finish - Machining Titanium Nitride
Drill Bit Finish Uncoated
Drill Bit Grouping Drill Bit
Overall Length 3 3/16 in
Drill Bit Material High Speed Steel
Drill Bit Sizes Included 1/8'', 5/32'', 3/16'', 7/32'', 1/4'', 9/32'', 5/16'', 11/32'', 3/8'', 13/32'', 7/16'', 15/32'', 1/2''
Number of Flutes 1
Number of Hole Sizes 13
Drill Bit Sizes Included 1/2 in, 1/4 in, 1/8 in, 11/32 in, 13/32 in, 15/32 in, 3/16 in, 3/8 in, 5/16 in, 5/32 in, 7/16 in, 7/32 in, 9/32 in
Shank Shape Hex
Step Thickness 1/32''
Number Hole Sizes 13
Step Increments 1/32 in
Item Step Drill Bit
Series Unibita
Minimum Hole Size 1/8 in
Maximum Hole Size 1/2 in
Measurement System Fractional
Material - Machining High Speed Steel
Primary Material Application Aluminum, Brass, Copper, Laminate, Plastic, Steel
Sub Brand Unibita
Drill Bit Grouping Individual
Number of Flutes 1
Dangerous Goods No
Unspsc 20111614